AVE6329029: United States, 1960s: Football player kicks ball, words 'Hi-Velocity' fly towards camera / Bridgeman Images

AVE6326233: 1970s: Dolphin floats by diver's hand / Bridgeman Images

AVE6326260: India, c.1930: A pan follows men and older boys, all dressed in topis and mundus, walking across a rural field / Bridgeman Images

AVE6329367: 1950s: Illustration of copper atom with text / Bridgeman Images

AVE6329385: Man in Rocking Chair Watches Television Show / Bridgeman Images

AVE6329415: 1950s: Husband sits at dinner table / Bridgeman Images

AVE6329424: 1950s: Wife sits at dinner table and picks at food / Bridgeman Images

AVE6329499: Soldiers Cross Belgium and France / Bridgeman Images

AVE6329589: Boys Playing Drums and Saluting in Italy / Bridgeman Images

AVE6329628: Atlantic Ocean, 1952: The ship named Flying Enterprise falls sideways in the ocean / Bridgeman Images

AVE6329655: California, 1952: A train stuck in snowy San Francisco for three days receives aid as a reporter arrives to cover the story / Bridgeman Images

AVE6329086: United States, 1930s-1940s: factory workers affix various metal car parts to a v8 engine blocks moving down a conveyor belt / Bridgeman Images

AVE6329116: United States, 1930s-1940s: A factory worker welds a steel car exterior to its frame / Bridgeman Images

AVE6329128: 1940s: Trees and plants on rivers edge / Bridgeman Images

AVE6329134: 1940s: Boat moves on waterway / Bridgeman Images

AVE6329137: 1940s: Boats move on waterway / Bridgeman Images

AVE6329143: 1940s: Men work on boat / Bridgeman Images

AVE6329152: 1940s: Oysters being fished out of water / Bridgeman Images

AVE6329158: View of buildings and a city through the viewpoint of a car passenger / Bridgeman Images

AVE6329167: Spectators of golf, the carnival, and football watch on / Bridgeman Images

AVE6329173: The daily lives of people from Dallas Fort Worth / Bridgeman Images

AVE6329188: A set is illuminated as a show's host enters the scene / Bridgeman Images

AVE6329191: 1940s: Hand holds oysters / Bridgeman Images

AVE6329209: 1940s: Man sits and writes / Bridgeman Images

AVE6329245: UNITED STATES 1960s: View of switch / Hand presses button. / Bridgeman Images

AVE6329257: UNITED STATES 1960s: Hands put paper on roller / Waves on screen. / Bridgeman Images

AVE6329260: 1970s: Girl walks along side of road, over bridge / Bridgeman Images

AVE6329263: UNITED STATES 1960s: Light shines onto screen. / Bridgeman Images

AVE6329290: UNITED STATES 1960s: Views of paper moving through printer. / Bridgeman Images

AVE6329311: NBC Week Trailer / Bridgeman Images

AVE6329323: Lady Ironing in Front of Television / Bridgeman Images

AVE6329332: 1950s: Animated electrons swirl and spin around the nucleus of an atom / Bridgeman Images

AVE6329353: NBC News HQ at Night Time / Bridgeman Images

AVE6326338: United States, 1960s: Police forces use their batons to try to break up an angry mob / Bridgeman Images

AVE6326380: United States, 1960s: Police officers use their batons to push back an angry mob who start salivating from the effects of tear gas in their environment / Bridgeman Images

AVE6326401: United States, 1960s: road by building / Bridgeman Images